This 5.56 chambered 11.3-inch Performance Series Barrel is machined from 4150 Chrome Moly Vanadium steel with a QPQ Corrosion Resistant Finish. Our Performance Series Barrels feature a Nickel Boron Coated Extended M4 Feed Ramp Extension.
Hanson Series Barrels feature our proprietary BA Hanson profile and include a pinned lo-pro gas block. Hanson barrels are not designed to work with aftermarket piston kits.
Specifications:
- Length: 11.3″
- Material: 4150 Chrome Moly Vanadium
- Profile: Hanson
- Finish: QPQ Corrosion Resistant
- Gas System Length: Carbine
- Gas Block Journal: 1.3″ Gas Block Seat for .625″ Low Profile Gas Blocks Only
- Twist Rate: 1:7 inches
- Muzzle: 1/2×28 Threaded
- Weight: 20 oz
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